Maipu Administration Guide

Configure the ERPS Ring

When configuring the ERPS ring, it is necessary to configure the ports on each node that access the ERPS ring and the nodes on the ring.

Configuration Conditions

Before configuring the ERPS ring, first complete the following tasks:

Create one control VLAN
Close the ring network protocol of the ring ports
Configure the ring port as the trunk mode
Add the ring ports to the control VLAN of the ring
Configure the MSTP instance and the mapping relation of the contained VLANs

Configure the ERPS Ring

Configure the basic functions of the ERPS ring.

Table 11-2 Configure the ERPS ring

Step	Command	Description
Enter the global configuration mode	configure terminal	-
Create one ERPS ring	erps ring ring-id	Mandatory By default, do not create one ERPS ring, and the value range of the ring is 1-64.
Configure the ERPS ring control VLAN	control vlan vlan-id	Mandatory By default, do not configure the control VLAN of the ERPS ring.
Configure the ERPS ring data instance	instance instance-list	Mandatory By default, do not configure the ERPS data instance.
Configure the ERPS ring port PORT0	port0 { interface interface-name \| interface link-aggregation link-aggregation-id } [ rpl { owner \| neighbour } ]	Mandatory By default, do not configure the ERPS port0. rpl owner: Indicate that the port is the owner port of RPL rpl neighbor: Indicate that the port is the neighbor port of RPL. If not configuring rpl, indicate that the port is the ordinary port.
Configure the ERPS ring port PORT1	port1 { interface interface-name \| interface link-aggregation link-aggregation-id } [ rpl { owner \| neighbour } ]	Mandatory By default, do not configure the ERPS port1. rpl owner: Indicate that the port is the owner port of RPL rpl neighbor: Indicate that the port is the neighbor port of RPL. If not configuring rpl, indicate that the port is the ordinary port.
Configure the version information of the ERPS ring	version { v1 \| v2 }	Optional By default, the version is V2.
Configure the mel value of the ERPS ring packet	mel level-id	Optional By default, the mel value is 7, and the value range is 0-7.
Configure the ERPS ring is the sub ring	sub-ring	Optional By default, the ERPS ring is the main ring.
Configure the ERPS ring to the non-switchback mode	revertive disable	Optional By default, the ERPS is the switchback mode.
Configure the virtual channel of the ERPS sub ring	virtual-channel enable	Optional By default, ERPS is the non-virtual channel.

ERPS control VLAN can only be used for transmitting the ERPS protocol packets, not for other services. All nodes in the same ERPS ring need to configure the same Mel value.
Subring virtual channel is not recommended in the intersecting ring networking environment.

Enable the ERPS Protocol

After the above configuration is complete, use the command to enable the ERPS protocol.

Table 11-3 Enable the protocol on the ERPS ring

Step	Command	Description
Enter the global configuration mode	configure terminal	-
Enter the ERPS configuration mode	erps ring ring-id	-
Enable the ERPS protocol	erps enable	Mandatory By default, the ring does not enable the ERPS protocol.

Configure the ERPS Ring

Configuration Conditions

Configure the ERPS Ring

Enable the ERPS Protocol

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